Comparative Kinetic Study of Carrier Type in a Moving Bed System Applied to Organic Matter Removal in Urban Wastewater Treatment

Martín-Pascual, J.; López-López, C.; Cerdà, Artemi; González‐López, Jesús; Hontoria, E.; Poyatos, J. M.

doi:10.1007/s11270-011-0976-5

Cited by 49 publications

(14 citation statements)

References 26 publications

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“…Martín-Pascual et al (2012) obtained similar values of attached BD. The total biomass concentrations of the pure MBBR-MBR were lower than those obtained in the MBR and hybrid MBBR-MBR systems studied by LeyvaDíaz et al (2015), which ranged around an average value of 3500 mg L −1 for an HRT of 9.5 h.…”

Section: Discussionsupporting

confidence: 55%

Two-step nitrification in a pure moving bed biofilm reactor-membrane bioreactor for wastewater treatment: nitrifying and denitrifying microbial populations and kinetic modeling

Leyva‐Díaz

González‐Martínez

Muñío

et al. 2015

Appl Microbiol Biotechnol

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The moving bed biofilm reactor-membrane bioreactor (MBBR-MBR) is a novel solution to conventional activated sludge processes and membrane bioreactors. In this study, a pure MBBR-MBR was studied. The pure MBBR-MBR mainly had attached biomass. The bioreactor operated with a hydraulic retention time (HRT) of 9.5 h. The kinetic parameters for heterotrophic and autotrophic biomasses, mainly nitrite-oxidizing bacteria (NOB), were evaluated. The analysis of the bacterial community structure of the ammonium-oxidizing bacteria (AOB), NOB, and denitrifying bacteria (DeNB) from the pure MBBR-MBR was carried out by means of pyrosequencing to detect and quantify the contribution of the nitrifying and denitrifying bacteria in the total bacterial community. The relative abundance of AOB, NOB, and DeNB were 5, 1, and 3%, respectively, in the mixed liquor suspended solids (MLSS), and these percentages were 18, 5, and 2%, respectively, in the biofilm density (BD) attached to carriers. The pure MBBR-MBR had a high efficiency of total nitrogen (TN) removal of 71.81±16.04%, which could reside in the different bacterial assemblages in the fixed biofilm on the carriers. In this regard, the kinetic parameters for autotrophic biomass had values of YA=2.3465 mg O2 mg N(-1), μm, A=0.7169 h(-1), and KNH=2.0748 mg NL(-1).

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Section: Discussionsupporting

confidence: 55%

Two-step nitrification in a pure moving bed biofilm reactor-membrane bioreactor for wastewater treatment: nitrifying and denitrifying microbial populations and kinetic modeling

Leyva‐Díaz

González‐Martínez

Muñío

et al. 2015

Appl Microbiol Biotechnol

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“…The respirometric tests were done as described by Martín-Pascual et al (2012) with a BM-Advance respirometer.…”

Section: Determination Of Kinetic Constants: Respirometric Methodsmentioning

confidence: 99%

“…The biofilm solids were determined by sampling five carrier elements. Attached biomass was assessed by considering the solids in suspension on the support carriers as described by Martín-Pascual et al (2012).…”

Section: Physical and Chemical Determinationmentioning

confidence: 99%

“…The energy demands of the MBR increase with MLSS (Martín-Pascual et al 2012), so if the MLSS concentration of the MB bioreactor is lower than that of the MBR, the energetic costs of the MB bioreactor are lower than the MBR as well, since less aeration is required. Since differences in COD removed were obtained in the different phases, it is possible to analyze the influence of HRT.…”

Section: Under a Higher Mlss (42 G/l) And Hrt ([24 H) This Shows Thmentioning

confidence: 99%

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Influence of hydraulic retention time on heterotrophic biomass in a wastewater moving bed membrane bioreactor treatment plant

Martín-Pascual

Reboleiro-Rivas

López-López

et al. 2013

Int. J. Environ. Sci. Technol.

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Wastewater treatment using moving bed membrane bioreactor technology was tested with real urban wastewater at a pilot plant, combining moving bed treatment as a biological process with hybrid biomass (suspended and fixed) and the advantages of a membrane separation system. The evolution of the kinetic constants of the hybrid biomass and organic matter removal were studied in a pilot plant under different operational conditions, by varying hydraulic retention time (HRT), mixed liquor suspended solids (MLSS) and temperature, and considering the attached biomass of the carrier and the dispersed biomass of the flocs to reproduce real treatment conditions. The rates of organic matter removal were 97.73 ± 0.81 % of biochemical oxygen demand (BOD 5 ), 93.44 ± 2.13 % of chemical oxygen demand (COD), 94.41 ± 2.26 % of BOD 5 and 87.62 ± 2.47 % of COD using 24.00 ± 0.39 and 10.00 ± 0.07 h of HRT, respectively. The influence of the environmental variables and operational conditions on kinetic constants was studied; it was determined that the most influential variable for the decay coefficient for heterotrophic biomass was HRT (0.34 ± 0.14 and 0.31 ± 0.10 days -1 with 10.00 ± 0.07 and 24.00 ± 0.39 h of HRT, respectively), while for heterotrophic biomass yield, this was temperature (0.61 ± 0.04 and 0.52 ± 0.06 with 10.00 ± 0.07 and 24.00 ± 0.39 h of HRT, respectively). The results show that introducing carriers in an MBR system provides similar results for organic matter removal, but with a lower concentration of MLSS.

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“…De qualquer modo, percebe-se que os valores da DBApara os três reatores foram superiores aos reportados pela literatura (MARÍN-PASCUAL et al 2015;2014e 2012LEYVA-DÍAZet al 2013a;2013b;ANDREOTTOLA et al 2003b;HONG-BINet al 2007;MINEGATTII, 2008e LUOSTARINEN et al 2006). …”

Section: Parâmetros Operacionais E De Controleunclassified

Avaliação da remoção de nitrogênio via nitrificação e desnitrificação simultânea em um reator biológico com leito móvel (IFAS).

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Comparative Kinetic Study of Carrier Type in a Moving Bed System Applied to Organic Matter Removal in Urban Wastewater Treatment

Cited by 49 publications

References 26 publications

Two-step nitrification in a pure moving bed biofilm reactor-membrane bioreactor for wastewater treatment: nitrifying and denitrifying microbial populations and kinetic modeling

Two-step nitrification in a pure moving bed biofilm reactor-membrane bioreactor for wastewater treatment: nitrifying and denitrifying microbial populations and kinetic modeling

Influence of hydraulic retention time on heterotrophic biomass in a wastewater moving bed membrane bioreactor treatment plant

Avaliação da remoção de nitrogênio via nitrificação e desnitrificação simultânea em um reator biológico com leito móvel (IFAS).

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